CA2146557C - Methode et moule pour l'obtention d'articles moules en thermoplastique comportant un espace creux dans les parois - Google Patents

Methode et moule pour l'obtention d'articles moules en thermoplastique comportant un espace creux dans les parois Download PDF

Info

Publication number: CA2146557C
Authority: CA; Canada
Prior art keywords: pressure; pressure medium; cavity; material melt; plastic material
Prior art date: 1992-10-08
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002146557A

Other languages

English (en)

Other versions

CA2146557A1 (fr

Inventor

Helmut Eckardt

Jurgen Ehritt

Klaus Lusebrink

Michael Renger

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Battenfeld GmbH

Original Assignee

Battenfeld GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1992-10-08

Filing date

1993-10-01

Publication date

2004-05-04

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25919296&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2146557(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-10-01 Application filed by Battenfeld GmbH filed Critical Battenfeld GmbH

1994-04-28 Publication of CA2146557A1 publication Critical patent/CA2146557A1/fr

2004-05-04 Application granted granted Critical

2004-05-04 Publication of CA2146557C publication Critical patent/CA2146557C/fr

2013-10-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000012815 thermoplastic material Substances 0.000 title claims abstract description 52
238000000034 method Methods 0.000 title claims abstract description 38
239000011796 hollow space material Substances 0.000 title claims abstract description 29
238000001746 injection moulding Methods 0.000 title claims abstract description 7
239000004033 plastic Substances 0.000 claims abstract description 65
239000011800 void material Substances 0.000 claims abstract description 35
230000008569 process Effects 0.000 claims abstract description 23
239000012530 fluid Substances 0.000 claims abstract description 16
230000015572 biosynthetic process Effects 0.000 claims abstract description 5
238000002347 injection Methods 0.000 claims description 58
239000007924 injection Substances 0.000 claims description 58
239000000463 material Substances 0.000 claims description 56
239000002991 molded plastic Substances 0.000 claims description 33
239000002699 waste material Substances 0.000 claims description 6
230000009471 action Effects 0.000 claims description 4
230000035611 feeding Effects 0.000 claims 2
238000000465 moulding Methods 0.000 abstract 3
238000004519 manufacturing process Methods 0.000 description 32
238000010586 diagram Methods 0.000 description 6
230000008859 change Effects 0.000 description 5
230000001419 dependent effect Effects 0.000 description 4
230000005012 migration Effects 0.000 description 4
238000013508 migration Methods 0.000 description 4
230000000694 effects Effects 0.000 description 3
238000000926 separation method Methods 0.000 description 3
238000006073 displacement reaction Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
230000002829 reductive effect Effects 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
230000002411 adverse Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
239000004403 ethyl p-hydroxybenzoate Substances 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B29C2045/173—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using a plurality of fluid injection nozzles

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Injection Moulding Of Plastics Or The Like (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

CA002146557A 1992-10-08 1993-10-01 Methode et moule pour l'obtention d'articles moules en thermoplastique comportant un espace creux dans les parois Expired - Fee Related CA2146557C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
DE4233927		1992-10-08
DEP4233927.8		1992-10-08
DEP4235664.4		1992-10-22
DE4235664		1992-10-22
PCT/EP1993/002694 WO1994008773A1 (fr)	1992-10-08	1993-10-01	Procede de moulage par injection de pieces en matiere thermoplastique et outil permettant la mise en ×uvre dudit procede

Publications (2)

Publication Number	Publication Date
CA2146557A1 CA2146557A1 (fr)	1994-04-28
CA2146557C true CA2146557C (fr)	2004-05-04

Family

ID=25919296

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002146557A Expired - Fee Related CA2146557C (fr)	1992-10-08	1993-10-01	Methode et moule pour l'obtention d'articles moules en thermoplastique comportant un espace creux dans les parois

Country Status (8)

Country	Link
US (1)	US6019935A (fr)
EP (1)	EP0666791B2 (fr)
JP (1)	JP2755826B2 (fr)
AT (1)	ATE151686T1 (fr)
CA (1)	CA2146557C (fr)
DE (1)	DE59306217D1 (fr)
ES (1)	ES2101347T5 (fr)
WO (1)	WO1994008773A1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0751858B1 (fr) *	1995-01-27	1999-11-24	Koninklijke Philips Electronics N.V.	Procede et moule de moulage par injection d'un produit et produit fabrique par ce procede
DE19504086A1 (de) *	1995-02-08	1996-08-14	Trw Fahrwerksyst Gmbh & Co	Fahrwerkstrebe
DE19518963C2 (de) *	1995-05-23	1998-04-09	Eldra Kunststofftechnik Gmbh	Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper
DE19518964C2 (de) *	1995-05-23	1998-04-09	Eldra Kunststofftechnik Gmbh	Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper
US5928600A (en) *	1995-11-17	1999-07-27	Chiun Pao Enterprise Co., Ltd.	Manufacturing method of a container formed integrally
DE19607992A1 (de) *	1996-03-04	1997-09-11	Battenfeld Gmbh	Verfahren zum Herstellen eines Spritzgießformteils aus thermoplastischem Kunststoff und Spritzgießformteil
DE29603857U1 (de) *	1996-03-04	1997-07-03	Battenfeld Gmbh, 58540 Meinerzhagen	Spritzgießformteil
DE19627493A1 (de) *	1996-07-08	1998-01-15	Bauer Engineering Gmbh	Verfahren zur Herstellung von einen zentralen Innenhohlraum aufweisenden Formteilen
US5997797A (en) *	1997-06-24	1999-12-07	Jac Products, Inc.	Injection mold internal pressure equalization system and method
DE19735031C2 (de) *	1997-08-13	2000-09-21	Battenfeld Gmbh	Verfahren und Vorrichtung zum Spritzgießen von Kunststoffgegenständen
DE19936956B4 (de) *	1999-08-05	2012-08-09	Witte-Velbert Gmbh & Co. Kg	Verfahren zum Herstellen eines Kunststofformteils
SE517483C2 (sv) *	1999-11-10	2002-06-11	Aga Ab	Förfarande samt anordning vid framtällning av en formsprutad detalj
AU8491101A (en) *	2000-08-15	2002-02-25	Nat Sales Company L L C	Molded article having hollow rim portion and process for producing such articles
US6749797B2 (en) *	2002-02-06	2004-06-15	Sbr Inc.	One-piece injection molded window frame and sash
DE102004020579A1 (de) *	2004-04-27	2005-12-01	Mekra Lang Gmbh & Co. Kg	Verfahren zum Herstellen von Spritzgussformteilen, insbesondere von Teilen von Kraftfahrzeugspiegeln
US7182892B2 (en) *	2004-04-30	2007-02-27	Lear Corporation	Gas assisted injection molding with fixed volume gas reservoir and temperature control
NO328397B1 (no) *	2007-07-04	2010-02-08	Yara Int Asa	Fremgangsmate til a produsere keramiske katalysatorer.
DE102020133019A1 (de) *	2020-12-10	2022-06-15	Plastic Innovation Gmbh	Verfahren zur Herstellung eines Zweiradrahmens
DE102022131019A1 (de)	2022-11-23	2024-05-23	WAGO Verwaltungsgesellschaft mit beschränkter Haftung	Spritzgusswerkzeug und Verfahren zur Herstellung von Spritzguss-Formteilen

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53102960A (en) *	1977-02-21	1978-09-07	Asahi Chem Ind Co Ltd	Injection mold
GB2139548B (en) †	1983-05-11	1986-11-19	James Watson Hendry	Injection moulding
GB8706204D0 (en) †	1987-03-16	1987-04-23	Peerless Cinpres Ltd	Injection moulding apparatus
DE3734164C3 (de) †	1987-10-09	1999-09-09	Battenfeld Gmbh	Verfahren zum Spritzgießen von Formteilen aus thermoplastischen Kunststoffen sowie Vorrichtung zur Durchführung des Verfahrens
DE321117T1 (de) †	1987-12-16	1993-09-02	Ladney jun., Michael, Grosse Pointe Shores, Mich.	Verfahren und system zum von lokalem fluidium assistierten spritzgiessen und dadurch hergstellter koerper.
US5098637A (en) *	1988-07-11	1992-03-24	Milad Limited Partnership	Process for injection molding and hollow plastic article produced thereby
DE3913109C5 (de) †	1989-04-21	2010-03-18	Ferromatik Milacron Maschinenbau Gmbh	Verfahren zum Spritzgießen fluidgefüllter Kunststoffkörper und Vorrichtung zur Durchführung des Verfahrens
DE3917366A1 (de) †	1989-05-29	1991-01-10	Schade Kg	Verfahren zum herstellen von hohlgespritzten formkoerpern aus kunststoff und vorrichtung zur durchfuehrung des verfahrens
US5069858A (en) *	1989-09-18	1991-12-03	Milad Limited Partnership	Method for the use of gas assistance in the molding of plastic articles
JP2835130B2 (ja) *	1990-03-23	1998-12-14	本田技研工業株式会社	中空樹脂成形品の成形方法
US5118455A (en) *	1990-03-29	1992-06-02	Loren Norman S	Gas assisted injection molding
US5054689A (en) *	1990-05-11	1991-10-08	Hoover Universal, Inc.	Combination plastic and gas injection nozzle assembly and sequential method of operation
JP2815696B2 (ja) *	1990-10-31	1998-10-27	日本プラスト株式会社	屈曲部を有する樹脂製中空製品の製造方法
US5204050A (en) *	1991-10-09	1993-04-20	Loren Norman S	Gas assisted injection molding
GB2260932B (en) *	1991-10-22	1995-10-25	Honda Motor Co Ltd	Molding apparatus for producing synthetic resin molded product
JP3609433B2 (ja) *	1992-03-16	2005-01-12	旭化成ケミカルズ株式会社	中空射出成形方法
JP2816280B2 (ja) *	1992-09-14	1998-10-27	大宝工業株式会社	ガス注入成形法およびガス注入装置
DE19518963C2 (de) *	1995-05-23	1998-04-09	Eldra Kunststofftechnik Gmbh	Verfahren und Vorrichtung zum Spritzgießen hohlgeblasener Kunststoffkörper

1993
- 1993-10-01 CA CA002146557A patent/CA2146557C/fr not_active Expired - Fee Related
- 1993-10-01 ES ES93922510T patent/ES2101347T5/es not_active Expired - Lifetime
- 1993-10-01 US US08/416,692 patent/US6019935A/en not_active Expired - Fee Related
- 1993-10-01 DE DE59306217T patent/DE59306217D1/de not_active Expired - Fee Related
- 1993-10-01 WO PCT/EP1993/002694 patent/WO1994008773A1/fr not_active Ceased
- 1993-10-01 AT AT93922510T patent/ATE151686T1/de not_active IP Right Cessation
- 1993-10-01 JP JP6509571A patent/JP2755826B2/ja not_active Expired - Fee Related
- 1993-10-01 EP EP93922510A patent/EP0666791B2/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
WO1994008773A1 (fr)	1994-04-28
ATE151686T1 (de)	1997-05-15
ES2101347T5 (es)	2001-01-01
EP0666791A1 (fr)	1995-08-16
EP0666791B1 (fr)	1997-04-16
JP2755826B2 (ja)	1998-05-25
EP0666791B2 (fr)	2000-09-13
US6019935A (en)	2000-02-01
JPH07509195A (ja)	1995-10-12
CA2146557A1 (fr)	1994-04-28
DE59306217D1 (de)	1997-05-22
ES2101347T3 (es)	1997-07-01

Legal Events

Date	Code	Title	Description
2000-08-28	EEER	Examination request
2007-10-01	MKLA	Lapsed

Publication	Publication Date	Title
CA2146557C (fr)	2004-05-04	Methode et moule pour l'obtention d'articles moules en thermoplastique comportant un espace creux dans les parois
EP0309182B2 (fr)	2000-10-11	Procédé pour le moulage par injection
US5324189A (en)	1994-06-28	Apparatus for injection molding of a plastic article having a hollow rib
US4701292A (en)	1987-10-20	Method for pressure molding objects of different resins
EP0592525B1 (fr)	1996-10-23	Moulage par injection de polymeres thermoplastiques
US6143237A (en)	2000-11-07	Method and apparatus for producing plastic objects with solid sections and hollow sections
US6562275B1 (en)	2003-05-13	Mold and method for sequentially injecting plastics material to form an automotive vehicle body part
EP0668140B1 (fr)	2000-04-26	Procédé pour fabriquer des brosses à dents
US6372177B1 (en)	2002-04-16	Method and device for manufacturing a hollow plastic component
KR102486881B1 (ko)	2023-01-10	이중사출 성형 장치, 그의 제어방법 및 이중사출 성형에 의한 사출물
DE10114415B4 (de)	2004-11-18	Verfahren zum Spritzgießen von mindestens einen Hohlraum aufweisenden Formteilen
US6716387B2 (en)	2004-04-06	Process for pressure assisted molding of hollow articles
EP1127674B1 (fr)	2003-11-05	Procédé pour mouler par injection des pièces comportant au moins une partie creuse
DE69028278T2 (de)	1997-01-02	Steuerung der formteilabmessungen und schliesskraftreduktion beim spritzgiessen
EP1243395B1 (fr)	2006-05-10	Technique de moulage par injection de pièces en matière plastique présentant une partie creuse
DE102005020037A1 (de)	2005-11-24	Gasunterstütztes Spritzgiessen mit einem Reservoir mit festgelegtem Gasvolumen und einer Temperatursteuerung
DE10114418B4 (de)	2005-03-17	Verfahren zum Spritzgießen von mindestens einen Hohlraum aufweisenden Formteilen aus wärmehärtendem Kunststoff
DE102005020038A1 (de)	2005-11-24	Gasstift mit Thermoelementen für ein gasunterstütztes Spritzgiessen
US20040207131A1 (en)	2004-10-21	Apparatus and process for pressure assisted molding of hollow articles
WO1998024610A1 (fr)	1998-06-11	Article creux en plastique moule par injection de gaz et procede et dispositif de production de ce composant
TWM679385U (zh)	2026-01-21	反壓成型發泡物的射出構造
DE19922204A1 (de)	2000-11-16	Verfahren und Vorrichtung zum Spritzgießen mit Gasinnendruck
JPS591586B2 (ja)	1984-01-12	射出成形用マニホルド